20results about How to "Reduced isolation" patented technology

The invention discloses a method for isolating a server hook based on a sandbox, and according to the scheme, the security, the resource management efficiency and the isolation of Server hooks in a code management platform are remarkably improved, the defects in the aspects of resource consumption, authority control and the isolation in the prior art are effectively overcome, and the efficient and safe management requirements on the Server hooks in a multi-tenant environment are met. By the adoption of the scheme, resource consumption can be saved, and quick starting can be achieved, the Isole sandbox can execute codes immediately, the whole mirror image does not need to be loaded in advance, and resource use of each process can be specifically and finely controlled, so that resource management is more efficient. The Isole sandbox realizes quick response and efficient resource utilization through lightweight resource management and independent process space, and meanwhile, the process of each tenant is ensured not to interfere with each other.

The invention provides an outdoor power distribution device arrangement structure based on a 220kV transformer substation, which comprises an air cooling system, a transformer and 220kV GIS equipment, and is characterized in that the air cooling system comprises a steam turbine steam exhaust device, a steam exhaust pipeline and an air cooling condenser, the steam turbine steam exhaust device is arranged on the ground, and the air cooling condenser is arranged on a high overhead cooling platform; the steam turbine steam exhaust device is connected with the air cooling condenser through a steam exhaust pipeline; the transformer is electrically connected with the 220kV GIS equipment, the transformer and the 220kV GIS equipment are both arranged on the ground below the high overhead cold platform, the 220kV GIS equipment is arranged in the metal shell in a closed mode, and the metal shell is filled with SF6 insulating gas. The air cooling system of the steam turbine generator unit, the transformer and the 220kV GIS equipment are reasonably arranged in space, the occupied area is smaller, and land resources are fully saved.

The application provides a multi-frequency antenna and a communication device. The multi-frequency antenna comprises a reflecting plate, a first radiating unit and a second radiating unit, the first radiating unit and the second radiating unit are arranged on one side of the reflecting plate, and the first radiating unit is located between the reflecting plate and the second radiating unit. The first radiating unit comprises a first radiating part and a metal plate, and the metal plate is located between the first radiating part and the second radiating unit. The second radiating unit comprises a second radiating part and a metal ring, and the metal ring is located between the second radiating part and the metal plate. When the above structure is adopted, the size of the multi-frequency antenna as a whole can be reduced, and the first frequency band and the second frequency band have high isolation, so that the two frequency bands can work independently, the multi-frequency antenna can meet the miniaturization demand of the common antenna surface, the antenna works stably, and the efficiency is high.

This utility model discloses a tool grinding machine robotic arm loading and unloading device, including a grinding machine, a vertical plate fixedly connected to the upper side of the grinding machine, a grinding component disposed on one side of the vertical plate, and a support block fixedly connected to the upper side of the grinding machine and outside the grinding component. A sliding groove is formed on the upper side of the support block, and a protective frame is slidably fitted onto the inner wall of the sliding groove. This utility model, by incorporating a loading front arm, a limiting rod, a force-generating toothed plate, and a linkage component, allows the rotation of the loading front arm during loading to open the protective frame without affecting the movement of the clamping component. After loading is complete, the rotation of the loading rear arm during unloading again controls the seal between the protective frame and the sealing plate, achieving a sealed grinding space. This reduces dust generated during grinding, maintains a good working environment, reduces damage to the loading front and rear arms from debris, and improves the service life of the structure and the production environment.

The invention discloses a Hall sensor and a preparation method thereof. The preparation method of the Hall sensor comprises the following steps: providing a P-type substrate, and forming a P-type deep trap, a low-doped N trap and a shallow trench isolation layer on the P-type substrate; preparing an active layer on the low-doped N well; preparing a first deep groove and a second deep groove on the P-type substrate and the shallow groove isolation layer; the first deep groove and the second deep groove are filled with N-type doped polycrystalline silicon; and preparing four N + contact layers. According to the embodiment of the invention, the Hall sensor which is higher in sensitivity and measurement precision and stronger in anti-interference capability is prepared through the steps.

The invention provides a safety operation and maintenance method and system, and relates to the technical field of operation and maintenance operation, and the operation and maintenance method comprises the following steps: creating a maintenance task; after receiving the maintenance task, the terminal equipment sends a maintenance request to the operation and maintenance gateway; the operation and maintenance gateway verifies whether the maintenance request is passed or not, and if the verification is passed, the authority of accessing the operation and maintenance gateway is opened for the terminal equipment; otherwise, blocking; after the terminal equipment accesses the operation and maintenance gateway, the maintenance task is sent to the operation and maintenance gateway; the operation and maintenance gateway executes the following steps: extracting a maintenance instruction from the maintenance task, and evaluating the risk of the maintenance instruction acting on the operation and maintenance object to obtain a maintenance instruction evaluation value; judging whether the maintenance instruction evaluation value belongs to an evaluation threshold interval or not; if so, opening the authority of accessing the operation and maintenance object for the operation and maintenance gateway; after the operation and maintenance gateway accesses the operation and maintenance object, a corresponding maintenance instruction is sent to the operation and maintenance object for maintenance; and if not, blocking is carried out. And the external connection risk and the occurrence probability of malicious code infection are reduced.

The invention provides a WIFI and Bluetooth coexistence method and electronic equipment. The WIFI and Bluetooth coexistence method is used for reducing the isolation degree between a WIFI antenna and a Bluetooth antenna in the electronic equipment. Comprising the following steps: transmitting a first signal to a router connected with the electronic equipment every specified duration; when a second signal sent by the router in response to the first signal is received, detecting an RSSI value and an SNR value of the second signal; the total power of the electronic equipment is obtained through the respective weights of the EIRP value and the RSSI value of the first signal, the EIRP value and the RSSI value, the respective weights of the EIRP value and the RSSI value of the first signal are obtained through the SNR value, and the EIRP value of the first signal is detected when the first signal is transmitted; and if the total power of the electronic equipment is greater than a preset threshold value, reducing the transmitting power of the WIFI antenna based on the total power of the electronic equipment and the preset threshold value.

The utility model discloses an on-line adjustable dead steam recovery device which comprises an injection pump, an auxiliary mechanism is arranged on the surface of the injection pump, a filtering mechanism is arranged at the connecting end of the injection pump, through the auxiliary mechanism arranged on the injection pump, rapid installation and accurate positioning are achieved, heat loss is effectively reduced, and the service life of the injection pump is prolonged. The sealing performance and the integrity of the heat preservation cover are enhanced, it is ensured that heat is effectively isolated in the heat preservation cover, the heat loss of a working medium in the transmission process is reduced, the dead steam recovery efficiency is remarkably improved, and it is ensured that equipment can stably and efficiently operate under various working conditions; the jet pump has the advantages that dead steam entering the jet pump can be filtered in a multi-stage manner and is prevented from entering the pump body to cause blockage, the dead steam entering the pump body is pure and free of impurities, and components in the jet pump are effectively protected, so that the reliability of equipment is improved, the service life of the equipment is prolonged, the equipment failure maintenance frequency caused by the impurities is reduced, and the maintenance cost is reduced.

The utility model provides a novel anti-corrosion and anti-abnormal-sound automobile door limiter, which belongs to the technical field of automobile manufacturing and comprises a limiting arm, a metal limiting box, a metal stop pin, a nylon plastic-coated shell, a plastic cover cap and a water baffle. Wherein the metal limiting box is arranged on the limiting arm in a penetrating manner; the metal stop pin is arranged at one end of the limiting arm; the nylon plastic-coated shell is arranged on the metal stop pin and used for protecting the metal stop pin, and the nylon plastic-coated shell has the functions of shock absorption and noise reduction; the plastic cover covers the metal limiting box and is used for protecting the metal limiting box, and the plastic cover and the nylon plastic-coated shell isolate abnormal sound generated by direct contact and collision between the metal stop pin and the metal limiting box; and the water baffle is fixedly connected with the plastic cover cap and shields the top of the limiting arm. According to the limiter, direct contact and collision between the metal stop pin and the metal limiting box can be avoided, abnormal sound generated by direct collision of metal parts is eliminated, and the overall corrosion-resistant effect of the limiter is improved.

The application relates to the technical field of radio frequency microwave devices, in particular to a W-waveband wide-frequency RF MEMS multi-blade multi-pole switch which comprises a silicon substrate, a plurality of input / output ports and a MEMS cantilever beam switch unit, the MEMS cantilever beam switch unit is provided with a driving electrode, and the communication and disconnection of the radio frequency signal path between the corresponding input port and the output port can be controlled by applying voltage to the driving electrode. The application realizes the on-off of the radio frequency signal path by electrostatic driving control of the deformation of the cantilever beam, and the driving mode has the advantages of low power consumption, high speed and easy integration. Compared with the common single-blade structure, the application can realize more complex signal routing in a compact unit, improves the system integration and functional flexibility, realizes interference-free crossing by using the slot structure through the horizontal swing type structure and the vertical lifting type structure, significantly reduces the high-frequency parasitic effect, and ensures the transmission quality of the millimeter wave signal in the W waveband.

The present invention discloses a welding wire for gas shielded arc welding, and a steel wire rod of a welding wire for gas shielded arc welding and a production method therefor. Chemical components of the steel wire rod of a welding wire for gas shielded arc welding include, in mass percentage, 0.03%-0.08% of C, 0.5%-1.0% of Si, 1.4%-1.8% of Mn, 0.013%-0.1% of S, less than or equal to 0.0015% of P, less than or equal to 0.8% of Ni, less than or equal to 0.4% of Cr, less than or equal to 0.4% of Mo, and the balance of Fe and inevitable impurities; and a liquidus temperature TL=1537-88[C]-8[Si]-5[Mn]-30[P]-25[S], a solidus temperature Ts=1536-415[C]-12[Si]-6.8[Mn]-125[P]-184[S], and 25°C≤TL-TS≤45°C.

The utility model discloses a forming pipe fitting for heat insulation and noise reduction, which comprises a forming pipe fitting and a cross plate, an annular butt joint groove is arranged on one side of the forming pipe fitting, the cross plate is arranged in the middle of the inside of the forming pipe fitting, and a rotary connecting shaft is arranged in the cross plate. The two sides of the outer wall of the connecting shaft are each provided with four fan blades which are annularly distributed at equal intervals, the annular groove is formed in the outer wall of the formed pipe fitting, a rock wool heat insulation plate is fixed to the inner side of the annular groove in an adhesion mode, the turbulent flow rings are arranged on the two sides of the interior of the formed pipe fitting, and the turbulent flow rings are arranged on the two sides of the interior of the formed pipe fitting. And a metal net is arranged in each turbulent flow ring. According to the forming pipe fitting for heat insulation and noise reduction, noise transmission generated when airflow passes through the interior can be reduced, noise is prevented from influencing the surrounding environment, meanwhile, it can be ensured that heat is effectively isolated in the forming pipe fitting, and therefore heat loss is avoided.

The invention discloses a silk-screen printing ink resin and a preparation method thereof, and belongs to the technical field of ink preparation, the ink resin comprises the following components: 5-16 parts of an acrylic monomer, 20-50 parts of an acrylate monomer, 4-14 parts of aliphatic polyurethane acrylate, 0.1-1 part of an initiator, 2-8 parts of an emulsifier, 10-50 parts of deionized water, and 0-2 parts of an auxiliary agent. The emulsifier is prepared by taking cis-9-octadecene amine and 1-amino-5-vinyl naphthalene as raw materials and carrying out nucleophilic substitution reaction on the raw materials and benzaldehyde-2-sodium sulfonate; on the basis of the existing acrylic acid / ester resin, the ink resin which is fast to cure and has high adhesive force and flexibility is prepared by optimizing and adjusting components.

The invention provides a tomato and rice rotation planting device and a using method, and belongs to the technical field of tomato and rice rotation planting. Comprising an equipment body, one side of the equipment body is slidably connected with a sliding block, and one side of the sliding block is fixedly connected with a lifting frame, a fixing frame, a driving motor and a cultivation tool. Through the arrangement of the lead screw, the effect that the lifting frame can be driven to ascend or descend on one side of the equipment body is achieved, and the problem that the whole equipment cannot walk on the plane land due to the fact that the lifting frame cannot ascend or descend and cannot be folded when a cultivation tool does not need to be used is solved; according to the rotary tillage tool, the effect that the tillage tool can rapidly rotate to rapidly turn over soil is achieved, and the problem that before plants are planted, workers need to manually turn over the soil, and then fertilization or planting is conducted on the plants is solved; and the effect that the thrown soil can be isolated from the lead screw motor when the whole equipment is used for ploughing the soil is achieved.

The utility model discloses a road drainage structure which is characterized in that a plurality of road edge stone drainage structures are arranged between a road and a green belt, a water accumulation pool (5) is arranged at the end or the middle of each road edge stone drainage structure (3), each road edge stone drainage structure (3) comprises a road edge stone, a drainage hole penetrating through the road edge stone front and back is formed in the road edge stone, and a back plate is arranged on the back side of the road edge stone. A U-shaped drainage ditch is formed between the road edge stone and the back plate, a step is arranged above the drainage ditch, the height of the step is lower than that of the back plate, a positioning hole is formed in the step, a partition plate (4) with leakage holes is buckled on the step, positioning columns are arranged below four feet of the partition plate and are fixed through the positioning holes, and the positioning hole of the drainage structure of the road edge stone is formed in the middle of the step. And the adjacent curbstone drainage structures are connected after the clapboards are buckled. According to the technical scheme, the integrity and the sealing performance of the drainage structure are enhanced, construction is efficient and convenient, and therefore the prison break risk is reduced, mice are effectively isolated, the environment is optimized, and neatness and attractiveness are achieved.

The utility model relates to the technical field of cement production, in particular to a raw material stacking and taking auxiliary device. According to the technical scheme, the raw material stacking and taking auxiliary device comprises a surrounding plate, a first supporting plate, a second supporting plate and side columns, the side columns are installed at the four corners of the interior of the surrounding plate, grooves are formed in the side columns, adhesive stickers are embedded in the grooves, the first supporting plate and the second supporting plate are arranged at the bottom end of the surrounding plate, and the first supporting plate and the second supporting plate are arranged on the bottom end of the surrounding plate. Arch grooves are formed in the first supporting plate and the second supporting plate, and a material taking opening is formed in one side of the surrounding plate. The material taking efficiency of raw materials is improved, residues are reduced, and the stability and durability of the device are guaranteed.

The invention discloses a teenager mental health management system based on a knowledge base and AI, and relates to the field of artificial intelligence and psychology. Data including input, daily interaction, psychological evaluation and other sources of teenager users are collected, the collected data are analyzed through a large model, text input of the teenagers is analyzed through a natural language processing technology, emotion and emotional states of the input users are recognized, and the psychological health requirements of the teenagers are obtained. Defining at least one task corresponding to the psychological health demand according to the identification result of the psychological health demand, setting the priority of the task, dynamically allocating the task to a corresponding service provider by using an AI technology, and adjusting the execution sequence and content of the task according to the real-time condition, tasks are distributed to corresponding execution units through a task arrangement engine, whole-process monitoring is carried out, user feedback in the task execution process is obtained, the user feedback is analyzed in real time through a large model, and instant adjustment suggestions are provided.

In a first frequency band for FDD constituted by a first downlink operating frequency band and a first uplink operating frequency band and a second frequency band for FDD constituted by a second downlink operating frequency band and a second uplink operating frequency band, from the low frequency side, the positions of the frequency bands are in the order of (1) the first downlink operating frequency band, the second downlink operating frequency band, the first uplink operating frequency band, and the second uplink operating frequency band, the frequency range of the first uplink operating frequency band and the frequency range of the second uplink operating frequency band do not overlap, and a filter (11) is formed on a first substrate having piezoelectricity, having a passband including the first uplink operating frequency band and the second uplink operating frequency band.

This invention discloses an optical path system for an optical switch, comprising: a first single-axis crystal, a second single-axis crystal, a polarization combining prism, a total internal reflection prism, a first fiber collimator, a second fiber collimator, a third fiber collimator, a motor, and a motor controller; both the first and second single-axis crystals are cylindrical and placed with their optical axes aligned; the polarization combining prism and the total internal reflection prism are applied to radially symmetrical positions on the exit circular surface of the second single-axis crystal, and the two prisms are placed perpendicularly, with the polarization combining prism on top and the total internal reflection prism on the bottom; the first fiber collimator is located at the input end on the incident circular surface of the first single-axis crystal, the second fiber collimator is located at the output end on the exit circular surface of the second single-axis crystal, and the third fiber collimator is located at the output end of the polarization combining prism; the motor controller is used to control the rotation of the motor, thereby controlling the rotation of the second single-axis crystal.

The utility model discloses a PCB structure capable of shielding external electromagnetic interference, which comprises a substrate, a jumper resistor and a mounting hole arranged on the substrate, the surface layer of the substrate is provided with a first copper sheet, the bottom layer of the substrate is provided with a second copper sheet, and the first copper sheet and the second copper sheet respectively cover the peripheral area of the mounting hole. The substrate is provided with a plurality of via holes surrounding the periphery of the mounting hole, the plurality of via holes are used for connecting the first copper sheet and the second copper sheet, one end of the jumper resistor is connected with the first copper sheet, and the other end of the jumper resistor is connected with a GND copper sheet in the substrate. When an external electromagnetic interference signal enters the PCB through the mounting hole, the bridging resistor can form impedance to isolate or weaken the electromagnetic interference signal, so that the influence of the electromagnetic interference signal on a circuit in the PCB is prevented, the external electromagnetic interference signal can be reduced, and the reliability of the PCB is improved. And electromagnetic interference signals entering the PCB through the mounting holes can be effectively reduced or isolated.